Superposed barrel, breech-loading firearm



Aug. 29, 1933. L. RIBE SUPERPOSED BARREL, BREECH LOADING FIREARM Filed April 9, 1931 4 Sheets-Sheet l Aug. 29, 1933. 135 1,924,656

SUPERPOSED BARREL, BREECH LOADING FIREARM Filed April 9, 1931 4 Sheets-Sheet 2 Aug. 29, 1933.

L. RIBE SUPERIOSED BARREL, BREECH LOADING FIREARM 4 Sheets-Sheet 5 40 Filed April 9, 1931 fi l Payer- Zfd/Y 3/45 My 4, 1

Aug. 29, 1933. R|BE 1,924,656

SUPERPOSED BARREL, BREECH LOADING FIREARM Filed April 9, 1931 4 Sheets-Sheet 4 Patented ae ee, less 1 suranrossn BARREL, InaEEcn-LozinrNG mana er a rarest Lon Ribe, Saint-Etienne (Loire), France Application 1112519, 1931, Serial No; 528,924, and

i in France April 111, 1930 V 8 Claims. (oi. i2

My invention relates :to 'doiible barreiled, breech loading firearms, of the drop-down type, and preferably'to those arms wherein the barrels are superposed, that is arranged one above the other.

It has for its object to provide an improved rels and on thebreech, and disposed 'co-axially with said pivots.

In the annexed drawings:

Fig. 11s a partial side view'of an arm according to the invention, at the closed position.

Fig. 2 is a similar view at the opened position.

Fig. 3 is a partial plan view of the breech,the barrels supposedly removed. Figs. 4 and 5 are side views with parts in section, to show the loading mechanism. a

Fig, 6 is a fragmental side view to an enlarged scale with parts in section, showing the removable forepart of the gun. 7 r

Figs. 7 and 8 ar e sectionsof the barrels on lines VII-VII and VIIIVIII (Fig. 2).

Figs. 9 and 10 are general side views of the arm, thewood parts supposedly removed.

The-barrels, generally referenced as 100, are

pivoted on the breech, generally referenced as 101, by means of two" small projections 102, 102' (Fig. 3) riveted tothe sidesrof the breech. These pivots receiving no strain, such an-arrangeinent wards the front end 'of the breech as clearly shown in dotted lines in Fig. 2. The common geometrical axis of pivots 102, 102' and of the barrels. In the case illustrated, it is substantially tangent to the lower part of the barrels.

The barrels are provided with lateral arcuate projecting parts 104. (Fig. 2) which are arranged co-axially with pivots 102, 102. These parts fit in recesses 105, 105' provided internally in the sides of the breech in such a way that the interior,

' that projections 10 1 and recesses 105, 105 are .the lateral gas losses.

semiecircular portions 106, 106' projecting toward thefront end of the gun, and co-axial with pivots 102 and 102'.

These portions cooperate with corresponding semi-circular recesses 107, 107', provided in the bifurcated end of a removable part, generally referenced as 108, which is adapted to be fixed to the barrels just in front of the breech. This fixation is obtained in the following manner, Figs. 4 to 6: The rear endof part 103 terminates into a finger 109 whlchfits into a depression provided in a tooth 110 downwardly projecting from the barrels. The front end of part 108 has a hole 111 into which fits a depending projection 112 of the barrels, the fixation being perfected by means of a small bolt 113 pressed by a spring 11%.

and 2) the barrels-pivoton-the breech without exerting any strain on pivots 102, 102v which, as shown, are preferably arrange'dwith considerable play within their recesses 102-; Inffact, these, pivots are provided only tofacilitatethe adjusting of the barrels into the breech, but it may be noted. that the true pivots are projections 106, 106 and recesses. 107, 107', on one hand,. and projections:104ifahd1recesses 105,, 105", on. the other hand. The strength of such an arrange mantis considerable. A materialadvantage is that,1lwhen, the partsare normallygreased, the dropping clown'ofthe barrels is relatively slow, whereby shocks are minimized. V f The drop-downmotion;islimited by part 108 itself. The latter is provided witha portion 115 (Figs. 4, to 0) which when thelbree'ch is opened, abuts against theflowerledge of'the breech. I .As shownFig. 5','the..opened position is so arranged yet materially fari-rorn being disengaged. y When it is desired to separate the barrels from the breech, part 108 is iirstrernoved; thenthe barrels are ,pivoted and their motionbeing then ,nnlimited, .it is possible to disengage projections -104 from recesses 105, 105' and the barrels may be corresponding recesses is located very low on the pulled 'i'earwardlm whereby pivots 102 and 102 are disengaged from recesses 103. Thus the fixation of the barrels is perfected without any screw,-pin or the like. 7

Owing to the very low position of the barrel pivots, the rear face of the barrels may satisfactorily contact with the vertical face of the breech without intermediate'sliding parts. The loss of gases may be minimized.

'As shown, the breech sides are high to reduce To insure a more attractive aspect of the device, the barrels are provided with laterally projecting portions 116, 116 which r rice When part 103 is fixed in position (Figs. '1

fit. on the sides on the breech (Figs. 1, 2 and 7)..

These portions, as well as projections 104, may

be machined outof the barrels, but they are preferably in'the form of separate parts fixed by dovetailing, screwing, or otherwise.

The loading mechanism (Figs. 4 to 6) comprises two parallel loading rods 12 provided with a front nose 11'7 cooperating with a common actuating tooth 118 formed near the rear end of part 108. When the breech is opened, tooth 118 actuates rearwardly both rods 12 and the latter load the percussion mechanism. In Figs. 4 and 5, it is diagrammatically shown that rod 12 actuates a lever 10, pivoted at 11, which lever in turn drives a loading lever 8 pivoted at 9. The latter directly drives the head 5 of one hammer. The other one is similarly loaded by the second rod 12 located just behind the one illustrated in the drawings.

It will be noted that the arrangement described comprises 'no screw, nut, cotter pin or the like onthe exterior surface of the arm, a matter of material commercial importance.

' ed in the breech and on the lateral faces of, the

barrels, the active'contacting'faces of said depressions and projections being co-axial with the geometrical axis around which the barrels pivot with respect to the breech, said faces being disposed rearwardly of said axis to prevent any :forward motion of the barrels with respect to the breech; lateral forwardly projecting, substantially semi-circular portions on said breech, co-axial with said axis; a member removably attached under the barrels, said member being bifurcated" at its rear end and. thus forming lateral portions on the barrels, said portions being provided with arcuate recesses adapted for contacting cooperation with said semi-circular portions on the breech; a tooth at the rear end ofsaid member; and cocking rods rectilinearly movable within the breech, said rods being' adapted to cook the percussion mechanism of thearrn, and said rods being arranged so as to be actuated by said tooth during the drop-down .motion of the barrels.

2. In the arrangement set' forth, in claim 1, means forv attaching the bifurcatedmember under the barrels, comprising a finger at the rear,

end of said member; a tooth downwardly projecting from thebarrels, said tooth having a recess adapted to cooperate with said finger; said member having a hole at the front end; a portion projecting downwardly from the barrels and adapted to fit within the hole; and means for locking said portion within said hole.

3. In a double-barrelled, breech-loading firearm of the drop-down type, wherein the barrels are superposed, means for pivoting the barrels at the breech comprising two movable arcuate members laterally attached to the barrels and having their ends in the form of a circular arc concentric with the geometric center about which the barrels pivot, the breechbeing suitably grooved to cooperate with the arcuate members to prevent any forward displacement of the barrels, the dimensions of the arcuate members and of the groovesbeing such that they mutually cooperate even when the firearm is in the drop-down position, lateral projections passing toward the front of the breech, said projections being substantially semicircular and concentric with the geometric center of the barrels, and detachable members laterally attached to the barrels and having an arcuategrcove adapted to cooperate with the projections to prevent any rearward displacement of the barrels.

4. The combination set forth in claim 3, in which the members laterally attached to the barrels, in front of the breech are formed by the bifurcated end of a single 'member removably attached under the barrels, said member having a shaped projection which, when the breech is open, bears against the forward end of the lireec to limit the drop-dewnmovement oi the barrels. 5. In a double-barrel-led, breech-loading firearm of the drop'down type, wherein the barrels are superposed, means for pivoting the barrels at the breech comprising two detachable arcuate members laterally attached to the barrels and having their cente at the geometric center about which the barrels pivot, the breech being grooved to cooperate with the arcuate members to prevent any forward displacement of the barrels, the dimensions of the arcuate members and of the grooves being such that they mutually cooperate even when the firearm is in the drop-down position, and ledges laterally integral with the barrels above the arcuate members and adapted to bear against the sides of the breech when the barrel is in the closed position. 7

6. The firearm set forth in claim 1, in which the cocking rods are joined in one piece' '7. The firearm set forth in claim 5, in which, in the closed position, there are four points of contacts between the barrel and the breech, two

points opposing the other two.

8. The firearm set forth'in' claim 3, in which the circular members commence in. a plane tangent .to the bottom of the lower barrel and are prolonged without a break to the upper lateral ledges on each sidein the region of the upper axis.

LEON RIBE. 

